terms
all the populations that live together in the same place
community
what are the living parts of an environment?
plants, animals and other living things
what are the three main land ecosystems?
grassland, desert, and tundra
true or false : each kind of forest has the same plants and animals
false
lakes, ponds, rivers and streams are what type of ecosystem ?
freshwater
everything that surrounds a living thing
environment
true or false : ecosystems can change over time.
true
how can a cactus survive in a desert with such little rainfall?
it stores water in its stems and leaves
how much rainfall does a tropical forest receive a year ?
300 cm
low land ecosystem that is covered by water at least part of the time during the year
wetlands
all living and nonliving things that interact with each other in a given area
ecosystem
true or false: the sun's rays are not necessary for life
false, they are necessary
where is the tundra located ?
in the northern part of the world
what kind of flower grows in a tropical forest
orchids
salt marches can be found where ?
where rivers and oceans meet
land ecosystem that is cold and dry
tundra
what kind of animals roam through rough brushes called chaparral ?
coyotes
this ecosystem has many grasses and flowing plans but has few trees
grassland
tropical forests are warm because why?
they are located near the equator
which is the fastest fish in the sea?
sailfish
all living things of the same kind that live in the same place at the same time
population
a place where a living thing makes it home is called.......
habitat
which ecosystem can have 24 hours of sunlight in the summer
tundra
coniferous forest grow mainly where ?
northern North America, Europe and Asia
the Everglades are what type of ecosystem ?